Great Reed Warbler vs ribbed grass snail

Acrocephalus arundinaceus compared with Vallonia costata

Key Differences

• Great Reed Warbler is Critically Endangered while ribbed grass snail is Least Concern.

Taxonomic Classification

Rank	Great Reed Warbler	ribbed grass snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Passeriformes (Songbirds)	Stylommatophora (Stylommatophora)
Family	Acrocephalidae	Valloniidae
Genus	Acrocephalus	Vallonia
Species	Acrocephalus arundinaceus	Vallonia costata

Evolutionary Relationship

Great Reed Warbler and ribbed grass snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Great Reed Warbler

CR — Critically Endangered

ribbed grass snail

LC — Least Concern

Physical Characteristics

Attribute	Great Reed Warbler	ribbed grass snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Reed Warbler

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

ribbed grass snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Widely distributed across Africa (South Africa), Asia (Israel), Europe (9 countries), North America (Mexico, United States), Oceania and the Pacific (New Zealand), and South America (Chile).

Great Reed Warbler

Great Reed Warbler (Acrocephalus arundinaceus) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden